Product Specification
Product Name
IFR32140E150LU30 – 32140 Cylindrical Lithium Iron Phosphate (LiFePO4) Rechargeable Battery
Applications
- E-bike & E-scooter: High-capacity power source for long-range electric mobility.
- Solar Street Light: Reliable energy storage for off-grid lighting systems.
- Energy Storage Systems: Ideal for residential and commercial backup power.
- Industrial Equipment: Supports high-power tools and machinery.
Advantages
- High Capacity: 15000mAh nominal capacity ensures extended runtime.
- Efficient Charge/Discharge: Low internal resistance (≤3mΩ) enhances energy transfer.
- Superior Thermal Management: Stable performance even under high discharge currents.
- Safety & Reliability: Robust design passes overcharge, short-circuit, and vibration tests.
- High Integration Efficiency: Compact cylindrical form (33.2×140mm) for space-constrained applications.
Specifications
Parameter |
Value |
Nominal Voltage |
3.2V |
Rated Capacity |
15000mAh (Min: 14800mAh) |
Discharge Cut-off Voltage |
2.0V |
Charge Voltage Limit |
3.65V |
Max Continuous Charge Current |
15000mA (1C) at 25±2°C |
Max Continuous Discharge Current |
30000mA (2C) at 25±2°C |
Internal Resistance |
≤3mΩ (AC, 1kHz) |
Weight |
295±10g |
Dimensions (Diameter×Height) |
33.2±0.2mm × 140±0.3mm |
Cycle Life
Condition |
Performance |
0.5C Charge / 0.5C Discharge |
≥80% capacity retention after 2000 cycles |
0.5C Charge / 1C Discharge |
≥80% capacity retention after 1500 cycles |
0.5C Charge / 1.5C Discharge |
≥80% capacity retention after 1000 cycles |
Discharge Curve

Operating Temperature Range
Mode |
Temperature Range |
Notes |
Charge |
0°C to 60°C |
Reduced efficiency below 0°C |
Discharge |
-20°C to 60°C |
Maintains 98% capacity at -20°C |
Storage |
-20°C to 25°C (1 year) |
≤3% monthly self-discharge |
Certifications
Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.
Key Features
- Low-Temperature Performance: Reliable operation in cold climates, optimized for 32140 Li-Ion Battery applications.
- Long Lifespan: 2000+ cycles at 0.5C/0.5C.
- Fast Charging: Supports 1C (15000mA) continuous charging.
Usage Warnings & Precautions
- Do not disassemble or expose to water.
- Use only with 3.65V CC/CV chargers (cut-off: 0.01C).
- Avoid mechanical stress or welding outside designated areas.
Storage Guidelines
- Short-term (≤3 months): Store at 3.4–3.6V, 25±5°C.
- Long-term (1 year): Store at 30% SOC, -20°C to 25°C.
Warranty & Disclaimer
- 24-month warranty against manufacturing defects.
- Not liable for misuse (e.g., overdischarge below 2.0V or charging above 60°C).